NSO Level 1- Science Olympiad (SOF) Class 10: Questions 699 - 702 of 986

Access detailed explanations (illustrated with images and videos) to 986 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 699

» Acids, Bases and Salts

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match both the columns and mark the correct option from the codes given below.

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Sea Water

(i)

2.9

(B)

Vinegar

(ii)

8.0

(C)

Bleach

(iii)

12.5

(D)

Household lye

(iv)

13.5

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iv)
  • (i)
  • (ii)
  • (iii)

b.

  • (i)
  • (ii)
  • (iv)
  • (iii)

c.

  • (ii)
  • (i)
  • (iii)
  • (iv)

d.

  • (iv)
  • (ii)
  • (iii)
  • (i)

Question number: 700

» Chemical Reactions and Equation

Edit
MCQ▾

Question

Which of the following is not a double displacement reaction?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 701

» Light - Reflection and Refraction

Edit
MCQ▾

Question

When two mirrors are placed parallel and facing each other and an object is kept in between them, we get infinite images. But actually only a few images are visible because the intensity of the images

Choices

Choice (4) Response

a.

Always constant

b.

Increase after each reflection

c.

Decrease after each reflection

d.

Question does not provide sufficient data or is vague

Question number: 702

» Magnetic Effects of Electric Current

Edit
MCQ▾

Question

The electric current produced in a loop of conductor due to the relative motion of a magnet within the loop (coil) is known as

Choices

Choice (4) Response

a.

emf

b.

Solenoid

c.

Induced electric current

d.

None of the above